package lab02.test32;
import java.util.HashMap;
import java.util.Map;

public class Test {
    public static void main(String[] args) {
        Map<String,String>map=new HashMap<String, String>();
        map.put("id","1");
        map.put("name","1");
        map.put("id","张三");
        map.put("gener","男");
        map.put("age","25");
        map.put("love","爱学java");

        for (Map.Entry<String,String>entry:map.entrySet()){
            System.out.println(entry.getKey());
            System.out.println(entry.getValue());
        }
        System.out.println("集合的大小:"+map.size());
        for (Map.Entry<String,String>entry:map.entrySet()){
            if (entry.getKey().equals("age"));{
                map.remove(entry.getKey());
            }
        }
        System.out.println("集合大小:"+map.size());
    }
}
